Base | Representation |
---|---|
bin | 100000000000111… |
… | …1001001101001001 |
3 | 2202212100221220000 |
4 | 1000001321031021 |
5 | 4200001111111 |
6 | 254332353213 |
7 | 35422606014 |
oct | 10001711511 |
9 | 2685327800 |
10 | 1074238281 |
11 | 50141a136 |
12 | 25b915809 |
13 | 141730b6c |
14 | a295437b |
15 | 64497c56 |
hex | 40079349 |
1074238281 has 20 divisors (see below), whose sum is σ = 1605609984. Its totient is φ = 715764600.
The previous prime is 1074238267. The next prime is 1074238301. The reversal of 1074238281 is 1828324701.
It is not a de Polignac number, because 1074238281 - 215 = 1074205513 is a prime.
It is a super-2 number, since 2×10742382812 = 2307975768731669922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1074238181) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 272716 + ... + 276626.
Almost surely, 21074238281 is an apocalyptic number.
It is an amenable number.
1074238281 is a deficient number, since it is larger than the sum of its proper divisors (531371703).
1074238281 is an equidigital number, since it uses as much as digits as its factorization.
1074238281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7314 (or 7305 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 36.
The square root of 1074238281 is about 32775.5744572082. The cubic root of 1074238281 is about 1024.1577951131.
The spelling of 1074238281 in words is "one billion, seventy-four million, two hundred thirty-eight thousand, two hundred eighty-one".
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